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Cache loaded theme

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2009-12-26 02:37:01 +01:00
parent bee140683a
commit 9b1209ba15
3 changed files with 70 additions and 67 deletions
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63
gfxmenu/gfxmenu.c
View file

@ -37,21 +37,39 @@
#include <grub/gfxmenu_view.h>
#include <grub/time.h>
void
grub_gfxmenu_viewer_fini (void *data)
{
grub_gfxmenu_view_t view = data;
grub_gfxmenu_view_t cached_view;
grub_gfxmenu_view_destroy (view);
static grub_err_t
set_graphics_mode (void)
{
const char *modestr = grub_env_get ("gfxmode");
if (!modestr || !modestr[0])
modestr = "auto";
return grub_video_set_mode (modestr, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
}
/* FIXME: conflicts with gfxterm. */
static grub_err_t
set_text_mode (void)
{
return grub_video_restore ();
}
void
grub_gfxmenu_viewer_fini (void *data __attribute__ ((unused)))
{
set_text_mode ();
}
/* FIXME: 't' and 'c'. */
grub_err_t
grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
{
grub_gfxmenu_view_t view;
grub_gfxmenu_view_t view = NULL;
const char *theme_path;
struct grub_menu_viewer *instance;
grub_err_t err;
struct grub_video_mode_info mode_info;
theme_path = grub_env_get ("theme");
if (! theme_path)
@ -61,15 +79,41 @@ grub_gfxmenu_try (int entry, grub_menu_t menu, int nested)
if (!instance)
return grub_errno;
/* Create the view. */
view = grub_gfxmenu_view_new (theme_path, menu, entry, nested);
set_graphics_mode ();
err = grub_video_get_info (&mode_info);
if (err)
{
set_text_mode ();
return 0;
}
if (! view)
if (!cached_view || grub_strcmp (cached_view->theme_path, theme_path) != 0
|| cached_view->screen.width != (int) mode_info.width
|| cached_view->screen.height != (int) mode_info.height)
{
grub_free (cached_view);
/* Create the view. */
cached_view = grub_gfxmenu_view_new (theme_path, mode_info.width,
mode_info.height);
}
if (! cached_view)
{
grub_free (instance);
set_text_mode ();
return grub_errno;
}
view = cached_view;
view->double_repaint = (mode_info.mode_type
& GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED)
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
view->selected = entry;
view->menu = menu;
view->nested = nested;
view->first_timeout = -1;
grub_gfxmenu_view_draw (view);
instance->data = view;
@ -90,5 +134,6 @@ GRUB_MOD_INIT (gfxmenu)
GRUB_MOD_FINI (gfxmenu)
{
grub_gfxmenu_view_destroy (cached_view);
grub_gfxmenu_try_hook = NULL;
}

71
gfxmenu/view.c
View file

@ -45,62 +45,31 @@
static grub_gfxmenu_view_t term_view;
#endif
static grub_err_t set_graphics_mode (void);
static grub_err_t set_text_mode (void);
/* Create a new view object, loading the theme specified by THEME_PATH and
associating MODEL with the view. */
grub_gfxmenu_view_t
grub_gfxmenu_view_new (const char *theme_path, grub_menu_t menu, int entry,
int nested)
grub_gfxmenu_view_new (const char *theme_path,
int width, int height)
{
grub_gfxmenu_view_t view;
grub_err_t err;
struct grub_video_mode_info mode_info;
grub_font_t default_font;
grub_gui_color_t default_fg_color;
grub_gui_color_t default_bg_color;
view = grub_malloc (sizeof (*view));
if (! view)
return 0;
set_graphics_mode ();
grub_video_set_active_render_target (GRUB_VIDEO_RENDER_TARGET_DISPLAY);
grub_video_get_viewport ((unsigned *) &view->screen.x,
(unsigned *) &view->screen.y,
(unsigned *) &view->screen.width,
(unsigned *) &view->screen.height);
err = grub_video_get_info (&mode_info);
if (err)
{
grub_free (view);
return 0;
}
else
view->double_repaint = (mode_info.mode_type
& GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED)
&& !(mode_info.mode_type & GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP);
/* Clear the screen; there may be garbage left over in video memory, and
loading the menu style (particularly the background) can take a while. */
grub_video_fill_rect (grub_video_map_rgb (0, 0, 0),
view->screen.x, view->screen.y,
view->screen.width, view->screen.height);
grub_video_swap_buffers ();
grub_font_t default_font;
grub_gui_color_t default_fg_color;
grub_gui_color_t default_bg_color;
view->screen.x = 0;
view->screen.y = 0;
view->screen.width = width;
view->screen.height = height;
default_font = grub_font_get ("Helvetica 12");
default_fg_color = grub_gui_color_rgb (0, 0, 0);
default_bg_color = grub_gui_color_rgb (255, 255, 255);
view->canvas = 0;
view->selected = entry;
view->menu = menu;
view->nested = nested;
view->first_timeout = -1;
view->title_font = default_font;
view->message_font = default_font;
@ -151,7 +120,6 @@ grub_gfxmenu_view_destroy (grub_gfxmenu_view_t view)
view->canvas->ops->component.destroy (view->canvas);
grub_free (view);
set_text_mode ();
#if 0
destroy_terminal ();
#endif
@ -376,6 +344,12 @@ grub_gfxmenu_view_redraw (grub_gfxmenu_view_t view,
void
grub_gfxmenu_view_draw (grub_gfxmenu_view_t view)
{
/* Clear the screen; there may be garbage left over in video memory. */
grub_video_fill_rect (grub_video_map_rgb (0, 0, 0),
view->screen.x, view->screen.y,
view->screen.width, view->screen.height);
grub_video_swap_buffers ();
update_menu_components (view);
grub_gfxmenu_view_redraw (view, &view->screen);
@ -426,21 +400,6 @@ grub_gfxmenu_set_chosen_entry (int entry, void *data)
}
static grub_err_t
set_graphics_mode (void)
{
const char *modestr = grub_env_get ("gfxmode");
if (!modestr || !modestr[0])
modestr = "auto";
return grub_video_set_mode (modestr, GRUB_VIDEO_MODE_TYPE_PURE_TEXT, 0);
}
static grub_err_t
set_text_mode (void)
{
return grub_video_restore ();
}
/* FIXME */
#if 0
static int term_target_width;

3
include/grub/gfxmenu_view.h
View file

@ -31,8 +31,7 @@ typedef struct grub_gfxmenu_view *grub_gfxmenu_view_t;
grub_gfxmenu_view_t grub_gfxmenu_view_new (const char *theme_path,
grub_menu_t menu, int entry,
int nested);
int width, int height);
void grub_gfxmenu_view_destroy (grub_gfxmenu_view_t view);